News tagged with plate boundaries
Double quake highlights Italy's seismic perils
Two killer earthquakes that struck northeastern Italy in nine days have shed light on the brutal but complex seismic forces that grip the Italian peninsula, scientists say.
Space & Earth / Earth Sciences
May 29, 2012 |
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Model describes New Zealand's complex tectonic environment
At the Hikurangi fault, off the eastern coast of New Zealand's North Island, the Pacific tectonic plate sinks beneath the Australian plate. Farther south, in the Marlborough Fault System, which cuts through the country's ...
Space & Earth / Earth Sciences
Mar 19, 2012 |
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Unexpected earthquakes within continental plates pose challenges
Earthquakes that occur on "passive" continental margins, such as the August 2011 magnitude 5.8 Mineral, Virginia, earthquake, surprise people because they expect earthquakes to occur only on plate boundaries. But, in fact, ...
Space & Earth / Earth Sciences
Mar 19, 2012 |
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Earth's past gives clues to future changes
(PhysOrg.com) -- Scientists are a step closer to predicting when and where earthquakes will occur after taking a fresh look at the formation of the Andes, which began 45 million years ago.
Space & Earth / Earth Sciences
Nov 24, 2011 |
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Hawaiian hotspot variability attributed to small-scale convection
(PhysOrg.com) -- Small scale convection at the base of the Pacific plate has been simulated in a model of mantle plume dynamics, enabling reasearchers to explain the complex set of observations at the Hawaiian ...
Space & Earth / Earth Sciences
Jun 29, 2011 |
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Scientists study earthquake triggers in Pacific ocean
(PhysOrg.com) -- New samples of rock and sediment from the depths of the eastern Pacific Ocean may help explain the cause of large, destructive earthquakes similar to the Tohoku Earthquake that struck Japan ...
Space & Earth / Earth Sciences
Jun 29, 2011 |
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Japan's mega-quake struck in small zone of fault: study
The deadly 9.0-magnitude quake that struck off northeastern Japan on March 11 ruptured a relatively small part of a notorious fault that straddles the Pacific seabed, Japanese scientists reported on Wednesday.
Space & Earth / Earth Sciences
Jun 15, 2011 |
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Time to shift view of seismic risk - experts
Knowledge of seismic risk is badly skewed in favour of earthquakes that occur on plate boundaries, such as the March 11 temblor that hit northeast Japan, rather than those that strike deep inland, a pair of ...
Space & Earth / Earth Sciences
May 22, 2011 |
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Scientists already making discoveries in wake of Japan's temblor
Friday's 8.9-magnitude temblor off the east coast of Japan ranks as one of the 10-largest earthquakes ever recorded. Though scientists have just begun to pore over the data, they have already made some surprising discoveries ...
Space & Earth / Earth Sciences
Mar 12, 2011 |
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Mexico quake studies uncover surprises for California
New technologies developed by NASA and other agencies are revealing surprising insights into a major earthquake that rocked parts of the American Southwest and Mexico in April, including increased potential ...
Space & Earth / Earth Sciences
Dec 16, 2010 |
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New theory of why midcontinent faults produce earthquakes
A new theory developed at Purdue University may solve the mystery of why the New Madrid fault, which lies in the middle of the continent and not along a tectonic plate boundary, produces large earthquakes such as the ones ...
Space & Earth / Earth Sciences
Jul 30, 2010 |
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Witness the birth of Africa’s new ocean
(PhysOrg.com) -- Scientists at the University of Leeds are predicting that within 10 million years Africa’s Horn will fall away and a new ocean will form.
Space & Earth / Earth Sciences
Jun 28, 2010 |
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Solomon Islands earthquake sheds light on enhanced tsunami risk
The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
Space & Earth / Earth Sciences
Apr 09, 2009 |
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New Madrid fault system may be shutting down
(PhysOrg.com) -- The New Madrid fault system does not behave as earthquake hazard models assume and may be in the process of shutting down, a new study shows.
Space & Earth / Earth Sciences
Mar 13, 2009 |
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Beneath the surface
It was the geological collision between India and Asia millions of years ago that created one of the world's most distinctive places: The area around Lake Baikal in Siberia, which contains 20 per cent of the world's fresh ...
Space & Earth / Earth Sciences
Feb 11, 2009 |
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